An fNIRS examination of the neural correlates of mental rotation in preschoolers

Dandan Wu, Jinfeng Yang, Sha Xie, Jiutong Luo, Chunqi Chang, Philip Li*

*Corresponding author for this work

    Research output: Contribution to journalArticle

    Abstract

    This study examined the neural correlates of mental rotation (MR) in preschoolers using functional near-infrared spectroscopy (fNIRS). Forty-eight preschoolers completed a MR task in which they were asked to rotate a test stimulus to match a target stimulus. Results of comparative and General Linear Model (GLM) analyses revealed significant differences between the High Performance (HP) and Low Performance (LP) groups. The two groups differed significantly in oxyhaemoglobin (HbO) change in Brodmann Areas (BAs) 6, 9 and 44. Specifically, significant increase in HbO in BA 44 was observed in both groups, while significant decrease in deoxyhaemoglobin (HbR) in BA 9 was observed only in the HP group and in BA 44 only in the LP group. These results jointly indicated BA 44 as one of the core neural correlates of MR in preschoolers, while BA 6 and BA 9 might also be involved in MR processing under a compensatory mechanism.
    Original languageEnglish
    Pages (from-to)37-42
    Number of pages6
    Journal Human Behaviour and Brain
    Volume1
    Issue number2
    DOIs
    Publication statusPublished - 5 Jun 2020

    Keywords

    • neural correlates
    • mental rotation
    • compensatory mechanism
    • Chinese preschoolers

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